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Immunoapheresis in Paraneoplastic Pemphigus
Heidemarie Schoen, MD;
Dagmar Foedinger, MD;
Kurt Derfler, MD;
Gabriele Amann, MD;
Klemens Rappersberger, MD;
Georg Stingl, MD;
Beatrix Volc-Platzer, MD
Arch Dermatol. 1998;134:706-710.
Background Paraneoplastic pemphigus was first described in 1990 in 5 patients with extensive mucocutaneous erosions, a distinct set of autoantibodies, and underlying neoplasia. Since then, patients described have been middle-aged, have suffered from prognostically unfavorable malignant neoplasms, and have responded poorly to immunosuppressive agents.
Observation A 16-year-old boy was examined with extensive oral erosions, halitosis that interfered with his quality of life, and rapid weight loss. The suspected clinical diagnosis of paraneoplastic pemphigus was confirmed by histopathological, immunofluorescence, and biochemical (eg, immunoblotting and immunoprecipitation) findings as well as by the demonstration of an inflammatory myofibroblastic tumor of the left retroclavicular region. Despite administration of corticosteroids, followed by excision of the neoplasm, clinical symptoms improved only slightly, and autoantibody titers decreased only marginally. We therefore initiated an immunoapheresis regimen with the use of sheep antihuman-IgG bead-formed agarose gel (Sepharose; Pharmacia Biotech Comp, Vienna, Austria), which led to the disappearance of circulating autoantibodies and the patient's recovery.
Conclusion Immunoapheresis may represent a novel therapeutic option for patients with paraneoplastic pemphigus who show little improvement after curative treatment of their neoplasms.
From the Department of Dermatology, Division of Immunology, Allergy, and Infectious Diseases (Drs Schoen, Stingl, and Volc-Platzer) and Division of General Dermatology (Drs Foedinger and Rappersberger), the Department of Internal Medicine, Division of Nephrology, Apheresis Unit (Dr Derfler), and the Department of Clinical Pathology (Dr Amann), University of Vienna Medical School, Vienna General Hospital, Vienna, Austria.
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